<template>
	<div class="icon-body">
		<el-input
			v-model="iconName"
			class="icon-search"
			clearable
			placeholder="请输入图标名称"
			@clear="filterIcons"
			@input="filterIcons"
		>
			<template #suffix><i class="el-icon-search el-input__icon"/></template>
		</el-input>
		<div class="icon-list">
			<div class="list-container">
				<div v-for="(item, index) in iconList" class="icon-item-wrapper" :key="index"
					 @click="selectedIcon(item)">
					<div :class="['icon-item', { active: activeIcon === item }]">
						<svg-icon :icon-class="item" class-name="icon" style="height: 25px;width: 16px;"/>
						<span>{{ item }}</span>
					</div>
				</div>
			</div>
		</div>
	</div>
</template>

<script setup>
import icons from './requireIcons'

const props = defineProps({
	activeIcon: {
		type: String
	}
});

const iconName = ref('');
const iconList = ref(icons);
const emit = defineEmits(['selected']);

function filterIcons() {
	iconList.value = icons
	if (iconName.value) {
		iconList.value = icons.filter(item => item.indexOf(iconName.value) !== -1)
	}
}

function selectedIcon(name) {
	emit('selected', name)
	document.body.click()
}

function reset() {
	iconName.value = ''
	iconList.value = icons
}

defineExpose({
	reset
})
</script>

<style lang='scss' scoped>
.icon-body {
	width: 100%;
	padding: 10px;

	.icon-search {
		position: relative;
		margin-bottom: 5px;
	}

	.icon-list {
		height: 200px;
		overflow: auto;

		.list-container {
			display: flex;
			flex-wrap: wrap;

			.icon-item-wrapper {
				width: calc(100% / 3);
				height: 25px;
				line-height: 25px;
				cursor: pointer;
				display: flex;

				.icon-item {
					display: flex;
					max-width: 100%;
					height: 100%;
					padding: 0 5px;

					&:hover {
						background: #ececec;
						border-radius: 5px;
					}

					.icon {
						flex-shrink: 0;
					}

					span {
						display: inline-block;
						vertical-align: -0.15em;
						fill: currentColor;
						padding-left: 2px;
						overflow: hidden;
						text-overflow: ellipsis;
						white-space: nowrap;
					}
				}

				.icon-item.active {
					background: #ececec;
					border-radius: 5px;
				}
			}
		}
	}
}
</style>